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Circodiscus

Polycystinea - Spumellaria - Larnacillidae

Taxonomy
Circodiscus was named by Petrushevskaya and Kozlova (1972). It is extant. It is the type genus of Circodiscinae.

It was assigned to Circodiscinae by De Wever et al. (2001).

Species lacking formal opinion data
Entered
by M. Broehl (authorized by W. Kiessling) on 2006-08-31

Synonyms
Synonymy list
YearName and author
1972Circodiscus Petrushevskaya and Kozlova
1972Plectodiscus Petrushevskaya and Kozlova
2001Circodiscus De Wever et al. p. 156

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
superphylumRetariaCavalier-Smith 1999
phylumRadiozoa
superclassPolycystinia
RankNameAuthor
classPolycystinea
orderSpumellariaEhrenberg 1875
familyLarnacillidaeHaeckel 1887
subfamilyCircodiscinaeDumitrica 1989
genusCircodiscusPetrushevskaya and Kozlova 1972

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Circodiscus Petrushevskaya and Kozlova 1972
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Invalid names: Plectodiscus Petrushevskaya and Kozlova 1972 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Miocene to the top of the Pliocene or 23.04000 to 2.58000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.04 - 5.333North Pacific C. circularis (266412 266414)
Pliocene5.333 - 2.58North Pacific C. microporus (262428 262430 262433 262436)